ADDITIONAL NOTES:a show on hiatus for longer than 12 months - without any news about its future - is assumed to be canceled

DESCRIPTION:(from Discovery's press release, February 2012) Discovery Channel has announced its premiere date for UNCHAINED REACTION, the new series executive produced by Adam Savage and Jamie Hyneman of MYTHBUSTERS. The six-part series, for which Adam and Jamie also serve as judges, will premiere Sunday, March 18 at 10PM ET/PT. Each week's episode pits two teams of varying backgrounds against each other to build an elaborate chain reaction contraption.